Official O2 Classic Pay As You Go SIM Card – Standard/Micro/Nano UK 321 New
3 in 1 SIM gives the option for Micro, Nano or Standard Sim size. 1 x O2 SIMCARD(3in1 SIM gives Nano/Micro/Standard option). CHECK O2 WEB FOR 3G IN YOUR AREA AS O2 WILL BE TURNING IT OFF IN 2026. THE POPULAR O2 CLASSIC TARIFF.